Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 07:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe
- Size 31.8MB
- Sample260804-jnld5svamd
- SHA256 ee7d0af8094e8e7b82dcde22271a6b2271e1d18fe09a40bd1c9e72306a695515
- MD5 31cda393b88dedac8f855c47cec8ae98
- SHA1 560db89649f324825c7c935117e78a9eb71f8d56
- SHA512 263745074f4113a59d1519f4741ac06a888b3967442948eb4aa366e5eb3042de0e4dbca5f4cb793bdf31b5cf4c192d2636912c09b97648a8759a1b763e3ad139
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBx:Eb
- TLSH T1D377B9DD06FA45794191E1FAF1FADD85C308182938B9C0F6EC0D71AE97AA0F5CB5248E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 2400 lsass.exe - Executes dropped EXE 1 IoCs
pid Process 2400 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared B\lsass.exe 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared B\lsass.exe 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3652 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe 2400 lsass.exe 2400 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3652 wrote to memory of 2400 3652 2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_31cda393b88dedac8f855c47cec8ae98_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Program Files\Common Files\Microsoft Shared B\lsass.exe12⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2400
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared B\lsass.exe
- Size 43.8MB
- SHA256 3776de8c937a6639503383bdb9110830a21e9de6b8b78ba5ca1c918c194cba5a
- MD5 736a9c14a32204af14d90b18679ca7ed
- SHA1 c893a9ae42e54f7d3572a06bb7f8b4b17983ca83
- SHA512 93303f6d08e60fc68eeb0d04c9b3e4e7590f740b511db444dbbd8c98eadf9da91ea2c8772a8751f7264107b6b81deec5db3425fc140bc0f3260248d7bdde8e0b
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBG:EQ
- TLSH T1FEA7FADE06FA58A84996D2D5F5BA8DC6C30C780534FAC0E6FC0E709D8B9A0B5CF51C99
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemTemp_1
- Size 95B
- SHA256 756e3105e2e9b447c83868cc626ab67ad1554085b0603ad5c22b39ad51d9f076
- MD5 4f735f8a9e95b4b6a9a2bbcc1b536b80
- SHA1 b2ea84caccf191f923cfa060d4f2adce9f15b89b
- SHA512 35a86bb0f1d194fa1f9346b1fe0e9ecbe5eb01eaefb9543bcf759594f48586d3f3f1da7eb660f0c3bf6d6beee96674af46a34816e472cdc49201d98925272249
- TLSH T1A0B0121840FF462214006007C5E0564ED42039087F65274083318C941EC0448F9E3205
- MD5 SHA1 SHA512 TLSH